A debt collector's phone message left under a DBA states a claim for a violation of the "true name" provision of the statute, but importing the "true name" requirement into other prohibited deceptive practices would make the provision superfluous.
http://www2.ca3.uscourts.gov/opinarch/173330p.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.